This system created a checkerboard of identical squares using longitude lines and latitude lines . They are the starting points for describing a propertys boundaries. The earliest land surveys in Minnesota were conducted under the jurisdiction of the Surveyor General of Iowa and Wisconsin, headquartered in Dubuque, Iowa. Because the rectangular or government survey system was instituted when the United States was a new country, it was used to describe most of the land west of the original 13 colonies, so most of you are likely to see some questions about this system. This system divides the country using 37 principal meridians that run north and south and baselines that run east and west. However, in some areas of the country, a township refers to a legal municipality rather than a geographic area, which can lead to some confusion. As we mentioned earlier, two primary survey methods are used in the United States, the Metes and Bounds System, and the Rectangular Survey System. The following is a list of helpful terms:\r\n